Question

2x +1= 4x-7
obrigada pela resposta

Answer 1

2x+1=4x-7
2x-4x=-7-1
-2x=-8. (-1)
2x=8
x=8/2
x=

Answer 2

.
$2x+1=4x-7 \\ 2x-4x=-7-1 \\ -2x=-8 \\ 2x=8 \\ x=8\div2 \\ x=4$